Post supported sign board



FIG. 1 is a perspective view of the post supported sign board according to my design:

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a plan view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for a post supported sign board, as shown. 